Cooktop



FIG. 1 is a top plan view of a cooktop disposed on a substrate, showingour new design;

FIG. 2 is a side elevational view of the cooktop shown in FIG. 1; and,

FIG. 3 is a perspective view of the cooktop of FIGS. 1-2 incorporatedinto a range, the range being shown in phantom for illustrative purposesonly and forms no part of the claimed design.

The broken lines in FIGS. 1-3 are shown for illustrative purposes onlyand form no part of the claimed design.

The ornamental design for a cooktop, as shown and described.